enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. I-beam - Wikipedia

    en.wikipedia.org/wiki/I-beam

    Beams are designated as per respective abbreviated reference followed by the depth of section, such as for example ISMB 450, where 450 is the depth of section in millimetres (mm). The dimensions of these beams are classified as per IS:808 (as per BIS ).

  3. Inch - Wikipedia

    en.wikipedia.org/wiki/Inch

    A fire hydrant marked as 3-inch. The inch (symbol: in or ″) is a unit of length in the British Imperial and the United States customary systems of measurement.It is equal to ⁠ 1 / 36 ⁠ yard or ⁠ 1 / 12 ⁠ of a foot.

  4. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  5. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    In Taiwan, the traditional base size 1K inherited from Japan is sometimes quoted as measuring 31 × 43 inches exactly, which is off by roughly 1 millimetre from the commonly quoted metric base size of 788 × 1091 mm, which is directly derived from 26 × 36 sun or 2.6 × 3.6 shaku.

  6. ISO 216 - Wikipedia

    en.wikipedia.org/wiki/ISO_216

    ISO paper sizes in millimetres and in inches; Size A series formats B series formats C series formats name mm inches name mm inches name mm inches −2 4A0: 1682 × 2378: 66.2 × 93.6

  7. List of disk drive form factors - Wikipedia

    en.wikipedia.org/wiki/List_of_disk_drive_form...

    8-, 5.25-, 3.5-, 2.5-, 1.8- and 1-inch HDDs, together with a ruler to show the length of platters and read-write heads A newer 2.5-inch (63.5 mm) 6,495 MB HDD compared to an older 5.25-inch full-height 110 MB HDD. IBM's first hard drive, the IBM 350, used a stack of fifty 24-inch platters and was of a size comparable to two large refrigerators.

  8. Metrication in the United States - Wikipedia

    en.wikipedia.org/wiki/Metrication_in_the_United...

    Computer fan sizes are exclusively referred to by metric units (120 mm or 80 mm case fans, for example), while hard disk drive and CD drive bay sizes are customary measurements, typically 3 1 ⁄ 2 inches and 5 1 ⁄ 4 inches, respectively. The actual size of the drive bays differ from their name (e.g., 3 1 ⁄ 2" drive bays are actually 4 ...

  9. ISO/IEC 7810 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7810

    An ID-1 size card containing an ID-000 size card is denoted as ID-1/000. This was the common design of SIMs when mini-SIMs were common, usually being issued as standard SIMs, i.e. in ID-1 format, with a removable ID-000 section that, when removed, was a mini-SIM.